Physics 2013 Solved Question Paper ICSE Previous Year

Physics 2013 Solved Question Paper ICSE Previous Year  for practice so that student of class 10th ICSE can achieve their goals in next exam of council. Sample paper for physics also given . Hence by better practice and Solved Question Paper of Previous Year is helpful for ICSE student. By the practice of Physics 2013 Solved Question Paper ICSE Previous Year you can get the idea of solving. Try Also other year except Physics 2013 Solved Question Paper ICSE Previous Year for practice. Because only Physics 2013 Solved Question Paper ICSE Previous Year is not enough for preparation of council exam.

Physics 2013 Solved Question Paper ICSE Previous Year

(Two hours)
Answers to this Paper must he written on the paper provided separately.
You will not be allowed to write during the first 15 minutes.
This time is to he spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section I is compulsory. Attempt any four questions from Section II.
The intended marks for questions or parts of questions are given in brackets [ ].

Physics 2013 Solved Question Paper ICSE Previous Year


SECTION-I (40 Marks)

Attempt all questions from this Section.

Question 1:

(a) Give any two effects of a force on a non-rigid body. [2]
(b) One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram.
icse-previous-papers-solutions-class-10-physics-2013-1(i) Copy the diagram and mark on it the direction of the restoring force.
(ii) Name one instrument which works on the above principle. [2]
(c) (i) Where is the centre of gravity of a uniform ring situated ?
(ii) “The position of the centre of gravity of a body remains unchanged even when the body is deformed.” State whether the statement is true or false. [2]
(d) A force is applied on a body of mass 20 kg moving with a velocity of 40 ms-1. The body attains a velocity of 50 ms-1 in 2 seconds. Calculate the work done by the body. [2]
(e) A type of single pulley is very often used as a machine even though it does not give any gain in mechanical advantage.
(i) Name the type of pulley used.
(ii) For what purpose is such a pulley used ? [2]


a) Two main effects:
(i) It can change the state of rest or of motion of the body.
(ii) It can change the size or shape of the body.


(b) (i)
(ii) Spring Balance.

(c) (i) At the centre of the ring
(ii) False



(e) (i) Single fixed pulley.
(ii) Single fixed pulley is used only to change the direction of the force applied.

 Question 2:

(a) (i) In what way does an ‘Ideal machine’ differ from a ‘Practical machine’ ?
(ii) Can a simple machine act as a force multiplier and a speed multiplier at the same time ? [2]
(b) A girl of mass 35 kg climbs up from the first floor of a building at a height 4m above the ground to the third floor at a height 12m above the ground. What will be the increase in her gravitational potential energy ? (g = 10 ms-2). [2]
(c) Which class of lever found in the human body is being used by a boy :
(i) When he holds a load on the palm of his hand.
(ii) When he raises the weight of his body on his toes ? [2]
(d) A ray of light is moving from a rarer medium to a denser medium and strikes a plane mirror placed at 90° to the direction of the ray as shown in the diagram.
icse-previous-papers-solutions-class-10-physics-2013-5(i) Copy the diagram and mark arrows to show the path of the ray of light after it is reflected from the mirror.
(ii) Name the principle you have used to mark the arrow to show the direction of the ray. [2]
(e) (i) The refractive index of glass with respect to air is 1.5. What is the value of the refractive index of air with respect to glass ?
(ii) A ray of light is incident as a normal ray on the surface of separation of two different mediums. What is the value of the angle of incidence in this case ? [2]


(a) (i) The efficiency of an ideal machine (free from friction etc) is equal to 1. But in actual practical, the efficiency is less than 1 due to the energy loss in friction.
(ii) No.

(b) Gravitational potential energy at 1st floor = mgh1
= 35 × 10 × 4 = 1400 J
Potential energy at third floor = mgh2
= 35 × 10 × 12 = 4200 J
Increase in potential energy = 4200 – 1400 = 2800 Joule.

(c) (i) Class III lever
(ii) Class II lever.

(d) (i)
(ii) Principle of reversibility of light.

(e) (i)
(ii) Angle of incidence = 0°.

 Question 3:

(a) A bucket kept under a running tap is getting filled with water. A person sitting at a distance is able to get an idea when the bucket is about to be filled.
(i) What change takes place in the sound to give this idea ?
(ii) What causes the change in the sound ? [2]
(b) A sound made on the surface of a lake takes 3s to reach a boatman. How much time will it take to reach a diver inside the water at the same depth ?
Velocity of sound in air = 330 ms-1
Velocity of sound in water = 1450 ms-1. [2]
(c) Calculate the equivalent resistance between the points A and B for the following combination of resistors: [2]
icse-previous-papers-solutions-class-10-physics-2013-8(d) You have been provided with a solenoid AB.
icse-previous-papers-solutions-class-10-physics-2013-9(i) What is the polarity at end A ?
(ii) Give one advantage of an electromagnet over a permanent magnet. [2]
(e) (i) Name the device used to protect the electric circuits from overloading and short circuits.
(ii) On what effect of electricity does the above device work ? [2]


(a) (i) The frequency of sound appear to be increase (f\propto \frac { 1 }{ l }  ).
(ii) Because air column is decreased on the filling the water in bucket.



Resistance between A and B, R = 5 + 2 + 6 = 13Ω
Hence, Equivalent resistance between A and B = 13Ω


(d) (i) North pole.
(ii) The magnetic field strength can be change in electromagnet. But not in permanent magnet.

(e) (i) Electric fuse
(ii) Heating effect of electrical current.

Question 4:

(a) Define the term ‘Heat capacity’ and state its S.I. unit. [2]
(b) What is meant by Global warming ? [2]
(c) How much heat energy is released when 5g of water at 20 C changes to ice at 0°C ?
[Specific heat capacity of water = 4.2 Jg-1 °C-1.
Specific latent heat of fusion of ice = 336 Jg-1[2]
(d) Which of the radioactive radiations :
(i) Can cause severe genetical disorders.
(ii) Are deflected by an electric field ? [2]

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